问题
选择题
It is said that the number of doctors invited to the meeting _____100, but a number of them _____ absent for different reasons.
A．is; were
B．is; was
C．are; were
D．are; was
答案
答案：A
题目分析：考查主谓一致。The number of…的数量；该短语做主语，谓语动词用单数形式；a number of 许多，修饰可数名词复数形式，做主语，谓语动词用复数。句意：据说被邀请来参加会议的医生的数量是100人，但是很多人因为各种原因都缺席了。故A正确。
点评：The number of…的数量；该短语做主语，谓语动词用单数形式；a number of 许多，修饰可数名词复数形式，做主语，谓语动词用复数。